Carretero et al. reported that eosinophils evoke further immune response with CD8 + T cells in tumor microenvironment by producing C–C motif chemokine ligand 5 (CCL5), C–X–C motif chemokine ligand 9 (CXCL9), and CXCL10 [24]. This evidence concerns the gene CXCL10 and neoplasm.